Home / 411,616,410.09-617,330,423.40-245,666,773.55

Finding the Fourth Proportional to 411,616,410.09, 617,330,423.40 and 245,666,773.55

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Solution

The fourth proportional to 411,616,410.09, 617,330,423.40 and 245,666,773.55 is: 368,443,943.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,616,410.09 : 617,330,423.40 = 245,666,773.55 : x
  2. Step 2: Convert to fraction form
    411,616,410.09/617,330,423.40 = 245,666,773.55/x
  3. Step 3: Cross multiply
    411,616,410.09x = 617,330,423.40 × 245,666,773.55
  4. Step 4: Simplify right side
    411,616,410.09x = 151,657,573,327,846,752
  5. Step 5: Solve for x
    x = 151,657,573,327,846,752/411,616,410.09
  6. Step 6: Final answer
    x = 368,443,943.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.